A difficult bleeder.
D006471:Gastrointestinal Hemorrhage; D006396:Hematemesis / Q000601:surgery; D006801:Humans; D007813:Laparotomy; D008297:Male; D008551:Melena / Q000601:surgery; D008875:Middle Aged; D013270:Stomach / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery